References in classic literature ?
I am in a whirl already; and want to attend carefully to what you say; so that I may try to digest it.
Besides, when needs must, one can eat any thing he comes across, even his fellow-creatures, although that must be a kind of food that's pretty hard to digest.
I gave him a digest of its contents," the General replied.
When it comes down to hard- pan, I can digest scrap-iron.
This degenerate Briton could digest books--and couldn't digest beer.
This is, however, a kind of horse-medicine, which requires a very robust constitution to digest, and is therefore proper only for the vulgar, unless in one single instance, viz.
They devour one another, and cannot even digest themselves.